1. A Method of Gear Lapping for High Pitch Accuracy;Kyusojin;Bulletin of the Japan Society of Precision Engineering,1980
2. A Simulation of Lapping Process in Gear;Kyusojin;Technical Report of the Technological University of Nagaoka,1979
3. A Study of Accurate Measurement of the Circular Dividing Error;Kyusojin;Bulletin of the Japan Society of Precision Engineering,1980